package com.ziJing.multithreading.sync.interview01;

import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.locks.LockSupport;

/**
 * @program Multithreading
 * @description:
 * @author: zhangbo
 * @create: 2022/05/04 00:04
 */
public class T07_LockSupport_WithoutSleep {


    List<Object> list = Collections.synchronizedList(new LinkedList<>());


    int size() {
        return list.size();
    }


    void add(Object ele) {
        list.add(ele);
    }


    Object get(int index) {
        return list.get(index);
    }

    static Thread t1 = null, t2 = null;

    public static void main(String[] args) {

        T07_LockSupport_WithoutSleep c = new T07_LockSupport_WithoutSleep();


        t1 = new Thread(() -> {
            System.out.println("t1 启动");
            for (int i = 0; i < 10; i++) {
                c.add(new Object());
                System.out.println("add " + i);

                if (c.size() == 5) {
                    LockSupport.unpark(t2);

                    LockSupport.park();
                }

            }

        }, "t1");


        t2 = new Thread(() -> {
            System.out.println("t2 启动");
            LockSupport.park();
            System.out.println("t2 结束");
            LockSupport.unpark(t1);

        }, "t2");


        t2.start();
        t1.start();
    }
}
